A bit-slice microprocessor (BSM) is a microprocessor designed as a module with the primary purpose of being able to assemble multiple identical such microprocessors to form a larger processor of some desired word size. Bit-slice microprocessors can be cascaded to produce any conventional (e.g. 4-bit, 8-bit, 16-bit) as well as unconventional word sizes (e.g. 10-bit, 12-bit, 16-bit). A notable advantage of a BSM over discrete logic components is the fact that most connections are internal to the chip with only few connections being external.

bit-slice microprocessors

Word size	Microprocessors
	Intel	National	AMD	MMI	TI	Fairchild
2-bit	3002
4-bit		IMP-4	2900	5701 6701	SBP0400	9405 9405A	74181
8-bit		IMP-8			SN54AS888 SN74AS888
16-bit		IMP-16	29100

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